Stove-door knob.



C. F. HELFLINGER.

STOVE DOOR KNOB.

APPLICATION FILED JUNE 3. 1915.

1,1 61,669. Patented Nov. 23, 1915.

WITNESSES IN VEN TOR j vfimmhcfl Char s FHelflIn er A 7TORNEV8 UNITED STATESPATENT orrioa.

CHARLES E. HELFLINGER, or HOBART, WASHINGTON; i

STOVE-D?) KNOB.

constitutes a bushing. At each end of the asbestos sleeve 12 are asbestos washers 13, 13, here shown as flanges integral with the Specification of Letters Patent.

ing washers or flanges 13, 3 for insulating the bolt 11 and its nut 11 the additional washer 13 corresponding with the washer 1,161,669. Patented Nov. 23, 1915.

, Application filed June 3, 1915. Serial No. 32,007.

To all whom. at may concern: sleeve 12. The base 10 is preferably re- 55 Be it known that 1, CHARLES F. HELFLIN- ceived on a noncircular portion 11 'offthc GER, a citizen of the United States, and a bolt 11, and a second washer 13 is provided resident of Hobart, in the county of King on the bolt outsideof the'base, 10 beneath and State of llashington, have invented a the nut 11 thereof. Thus the base'10'is new and Improved Stove-Door Knob, of "effectively insulated from metallic contact 0 -which'the following is a full, clear, and with the door A It is'to beundcrstocd exact description. that the knob may be otherwise secured, as My invention relates to a knob adapted, will appear. In the formshow'n in. Fig. 1, to be applied to' standard makes of stove the bolt is of the type having a lateral catch doors. 1+1 turning therewith to'engage at the inside 5 The prime object of my invention is to of the stove A adjacent to the door opening. provide a knob of the indicated character, From the base 10 the knob extends forso formed and arranged as to be efiectively wardly in the form of two side arms 15, and

15 insulated from the metal parts. of the stove these are converged. and are brought paraland door to prevent the undue heating of lel near their outer ends and are united by 70 the knob, rivets 16*, or equivalent means. Formed A f rth bj t f th i v tion is t so upon or secured to the outer ends of the arms form the knob that the body thereof will 15 are grip members 17 which are return 20 radiate the heat imparted thereto and therebent and are thus disposed in a rearward by further minimize the tendency of th direction at each side of the arms 15, and 75 gripping portion of the knob tobecome a2" spaced from the latter so that there will heated. be a circulation of ai around the gripping The invention also has for its object to members. The retained portions of the provide a knob of the indicated character grlpping members, designated generally by of simple construction and arranged to be the numeral 18, are adapted to be grasped 80 conveniently applied. between the fingers of a person manipulat- The invention will be particularly ex-- ing the knob and stove door. Said gripping plained in the specific description followmembers have 51 covering of asbestos, there ing. by providing an intermediate metal portion Reference is had to the accompanying 19 and layers 20, 21, of asbestos. s5

drawings forming part of this specification, By the described construction the base of in which similar characters of reference inthe knob and its securing bolt are insulated dicate corresponding parts in all the views, from the stove door and a circulation of air and in which: aroun the gripping members is assured,

Figural is a horizontal section showing together with an insulation of said gripping my improved knob applied; Fig. 2 is a side members, the whole contributing to minielevation thereof, as applied to a stove door; mize the undue heating of the contact surand Fig.3 is a partly sectional plan View faces of the ripping n1 hers.

40. showing the device applied to a door of a 1n the form shown in Fig. 3, the knob,

different term om that illustrated in except as to its securing bolt, is the same Fig, 1. r as in Fig. 1, there being the samebase 10 and The invention is applicable to a door A arms 15 united by rivets 16, or the like '0 of any ordinary stove A having a bolt hole the gripping members 17 and having men- 45 for the reception of a bolt to secure a door late dre turn members 18. In this figure the lmob in position. device is shown applied to that type of My improved knob comprises a base plate stove door A having n integral latch pro- 10 having a hole therethrough for the pasectiOn 14* adapted to engage a lug a on sage of a stove bolt 11. Surrounding the. the stove. The bolt 11 in this form is a 50 bolt is an asbestos sleeve 12, which, when in short bolt and the sleeve 19;- is correspondposition in the bolt hole of the doorA ingly shortened and provided with insulat- I claim asjnew and desire 13* being also preferably employed. The

returned gripping members 18 may be rigidly connected'by a brace '22, which extends from the base, and arms forming gripping members at the outside of the body'and secured to the same near the outer end thereof, said gripping members extending rearwa'rdly toward the base and spaced from the body, and means whereby to secure the knob in position, there being a transverse element rigidly connecting the said gripping members and. extending between the same. and i o v v 4 2o,-

throughthe body.

2. A knob of the character described, in-{ cluding a base, a body extending outwardly from the base and gripping members on the outer end of the body, said members extending rearwardly along the opposite sides of the body and spaced from the latter, the

rear ends of said gripping free from the body and base.

In testimony whereof I have 'my name to vthis specification in the presence of two subscribing witnesses' CHARLES F. HELFLINGER.

Witnessesz A. E. Cesn,

H. W. ODOM.

member's being subscribed 

